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Single Family ResidenceResidential
$213,508$150 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $116,000 on Sep 1, 2004

510 CONGRESS AVE

OSHKOSH, WI 54901
3
Beds
2
Baths
1,420 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1907
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$214K
$193K low$234K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$116,000 · Sep 1, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,181 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$182,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$22,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$160,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$182,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$186,749

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.23
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
54
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
59
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
3
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWinnebago
Lot (acres)The size of the land the home sits on, from county records.0.15
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Merrill Middle SchoolC-
Middle · Grades 6–8 · 0.3 mi
E
Merrill Elementary SchoolD-
Elementary · Grades KG–5 · 0.3 mi
H
Oshkosh North High SchoolB-
High · Grades 9–12 · 0.8 mi

District: Oshkosh Area School District

Neighborhood · ZIP 54901These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.118
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.76
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.13

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.38,222
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.592 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,941
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,529
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.31 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

510 Congress Ave measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth less than 78% of homes in Winnebago County
  • Costs less per square foot than 78% of homes in Winnebago County
  • Has a smaller lot than 87% of homes in Winnebago County
  • Older than 90% of homes in Winnebago County

What homes are worth in Oshkosh 54901

Each bar is how many homes fall in that price range. The marker is this home.

This home
$113K$752K

This home is worth more than 40% of homes in Oshkosh 54901.

How it measures up in Oshkosh 54901

The dot is this home. The mark in the middle is the typical home in Oshkosh 54901.

Estimated value$213,508
CheaperTypical $230,638Pricier

Pricier than 40% of homes nearby

Price per ft²$150
CheaperTypical $171Pricier

Pricier than 34% of homes nearby

Living area1,420 ft²
SmallerTypical 1,486 ft²Bigger

Bigger than 45% of homes nearby

Lot size0.15 ac
SmallerTypical 0.17 acBigger

Bigger than 29% of homes nearby

Year built1907
OlderTypical 1926Newer

Newer than 14% of homes nearby

How 510 Congress Ave ranks against every home in each area.
MeasureThis homeCongress FieldOshkosh 54901Winnebago County
Estimated valuepricier than$213,50870% of homes40% of homes22% of homes
Price per ft²pricier than$15055% of homes34% of homes22% of homes
Living areabigger than1,420 ft²57% of homes45% of homes48% of homes
Lot sizebigger than0.15 ac60% of homes29% of homes13% of homes
Year builtnewer than190728% of homes14% of homes10% of homes

About 510 Congress Ave

How much is 510 Congress Ave, Oshkosh, WI worth?

The TopHap Estimate for 510 Congress Ave, Oshkosh, WI is $213,508 as of Sep 24, 2026. The likely range is $192,792 to $234,224. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 510 Congress Ave, Oshkosh, WI last sell?

510 Congress Ave, Oshkosh, WI last sold on Sep 1, 2004 for $116,000, according to the county's recorded deed.

How big is 510 Congress Ave, Oshkosh, WI?

510 Congress Ave, Oshkosh, WI has 3 bedrooms, 2 bathrooms, 1,420 square feet of living space and a 0.15-acre lot.

When was 510 Congress Ave, Oshkosh, WI built?

510 Congress Ave, Oshkosh, WI was built in 1907, making it 119 years old. The building has 2 stories.

What schools serve 510 Congress Ave, Oshkosh, WI?

510 Congress Ave, Oshkosh, WI is assigned to Merrill Middle School (middle), rated C-; Merrill Elementary School (elementary), rated D-; Oshkosh North High School (high), rated B-. All sit in Oshkosh Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 510 Congress Ave, Oshkosh, WI compare to other homes in Oshkosh 54901?

Among the 10,696 homes in Oshkosh 54901, it is worth more than 40% of them ($213,508 against a typical $230,638), its price per square foot is higher than 34% of them ($150 against a typical $171), it is bigger than 45% of them (1,420 ft² against a typical 1,486 ft²), its lot is bigger than 29% of them (0.15 ac against a typical 0.17 ac) and it is newer than 14% of them (1907 against a typical 1926). Measured against all of Winnebago County, it is worth more than 22% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 510 Congress Ave, Oshkosh, WI?

The 2025 property tax bill for 510 Congress Ave, Oshkosh, WI was $3,181. The county assessed it at $182,400.

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